Healthspan means how many healthy years you live, not just how long you live....

https://www.medicaldaily.com/marc-kielburger-healthspan-vs-lifespan-why-purpose-belongs-longevity-conversation-478751

Healthspan means how many healthy years you live, not just how long you live. The gap between lifespan and healthspan is big—globally it’s about 9.6 years, and in the US it jumps to 12.4 years